(3x+6)-(x+9)=

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Solution for (3x+6)-(x+9)= equation:


Simplifying
(3x + 6) + -1(x + 9) = 0

Reorder the terms:
(6 + 3x) + -1(x + 9) = 0

Remove parenthesis around (6 + 3x)
6 + 3x + -1(x + 9) = 0

Reorder the terms:
6 + 3x + -1(9 + x) = 0
6 + 3x + (9 * -1 + x * -1) = 0
6 + 3x + (-9 + -1x) = 0

Reorder the terms:
6 + -9 + 3x + -1x = 0

Combine like terms: 6 + -9 = -3
-3 + 3x + -1x = 0

Combine like terms: 3x + -1x = 2x
-3 + 2x = 0

Solving
-3 + 2x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + 2x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 2x = 0 + 3
2x = 0 + 3

Combine like terms: 0 + 3 = 3
2x = 3

Divide each side by '2'.
x = 1.5

Simplifying
x = 1.5

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